Clarinet. Nominal pitch: A.

Technical description: Blackwood with german silver plated ferrules and keywork. Five pieces: mouthpiece, barrel, upper section, lower section, bell. Very small speaker cup; german silver tube in thumb-hole. Alternative R1 touchpiece for C♯₄/G♯₅. E₃/F₃ correction for R0. Patent Csharp mechanism. Nearly full Oehler system. No speaker correspondence with first ring. No alternative cross key for F₄/C₆. No plate for R2. Uebel patent RH vents (patented in 1941). 17keys, 6rings, 4rollers. L0: T; speaker. L1: T + ring + vent; throat A♮; throat A♭. L2: T + ring + vent. L3: T + ring; E♭₄/B♭₅. L4: C♯₄/G♯₅; E₃/B♮₄; F♯₃/C♯₅; alternative lever for B♭₃/F₅; alternative lever for G♯₃/E♭₅. R0: E₃/F₃ vent. R1: T + ring + vent; side F₄/C₆; side E♭₄/B♭₅; side trill key for throat G♯-A or C₆-D₆; side trill for throat A-B♮ and B♭-C; alternative touchpiece for C♯₄/G♯₅. R2: T + ring + (patent) vents. R3: T + ring (forked B♭₃/F♮₅); cross B♭₃/F♮₅. R4: G♯₃/E♭₅; F₃/C₅. Keymount type: screwed into pillars. Keyhead type: modern. Repair History: The mouthpiece is a replacement.